520026280

素因数分解:

$2^3\times 5^1\times {\mathrm{13000657}}^1$

素因数の和:13000668

約数の個数: 16

約数和(自身を含む): 1170059220

約数和(自身を除く): 650032940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13000657, 26001314, 52002628, 65003285, 104005256, 130006570, 260013140, 520026280]

約数ペア:

[(1, 520026280), (2, 260013140), (4, 130006570), (5, 104005256), (8, 65003285), (10, 52002628), (20, 26001314), (40, 13000657)]